1 /* A very simple client that shows a basic usage of the pz2.js
4 // create a parameters array and pass it to the pz2's constructor
5 // then register the form submit event with the pz2.search function
6 // autoInit is set to true on default
8 /* var usesessions = true;
9 * var pazpar2path = '/pazpar2/search.pz2';
12 var showResponseType = '';
13 if (document.location.hash == '#useproxy') {
15 pazpar2path = '/service-proxy/';
16 showResponseType = 'json';
18 if (useServiceProxy) {
22 var my_paz = new pz2( { "onshow": my_onshow,
23 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
24 "pazpar2path": pazpar2path,
28 "termlist": "xtargets,subject,author",
29 "onbytarget": my_onbytarget,
30 "usesessions" : usesessions,
31 "showResponseType": showResponseType,
32 "onrecord": my_onrecord } );
38 var curDetRecData = null;
39 var curSort = 'relevance';
41 var submitted = false;
47 // pz2.js event handlers:
49 function my_oninit() {
54 function my_onshow(data) {
55 totalRec = data.merged;
57 var pager = document.getElementById("pager");
59 pager.innerHTML +='<hr/><div style="float: right">Displaying: '
60 + (data.start + 1) + ' to ' + (data.start + data.num) +
61 ' of ' + data.merged + ' (found: '
62 + data.total + ')</div>';
65 var results = document.getElementById("results");
68 for (var i = 0; i < data.hits.length; i++) {
69 var hit = data.hits[i];
70 html.push('<div class="record" id="recdiv_'+hit.recid+'" >'
71 +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
72 +'<a href="#" id="rec_'+hit.recid
73 +'" onclick="showDetails(this.id);return false;"><b>'
74 + hit["md-title"] +' </b></a>');
75 if (hit["md-title-remainder"] !== undefined) {
76 html.push('<span>' + hit["md-title-remainder"] + ' </span>');
78 if (hit["md-title-responsibility"] !== undefined) {
79 html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
81 if (hit.recid == curDetRecId) {
82 html.push(renderDetails(curDetRecData));
86 replaceHtml(results, html.join(''));
89 function my_onstat(data) {
90 var stat = document.getElementById("stat");
94 stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
96 + '/' + data.clients + ' -- </span>'
97 + '<span>Retrieved records: ' + data.records
98 + '/' + data.hits + ' :.</span>';
101 function my_onterm(data) {
103 termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
104 for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
105 termlists.push('<a href="#" target_id='+data.xtargets[i].id
106 + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
107 + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
110 termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
111 for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
112 termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
113 + data.subject[i].freq + ')</span><br/>');
116 termlists.push('<hr/><div class="termtitle">.::Authors</div>');
117 for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
118 termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
119 + data.author[i].name
121 + data.author[i].freq
124 var termlist = document.getElementById("termlist");
125 replaceHtml(termlist, termlists.join(''));
128 function my_onrecord(data) {
129 // FIXME: record is async!!
130 clearTimeout(my_paz.recordTimer);
131 // in case on_show was faster to redraw element
132 var detRecordDiv = document.getElementById('det_'+data.recid);
133 if (detRecordDiv) return;
134 curDetRecData = data;
135 var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
136 var html = renderDetails(curDetRecData);
137 recordDiv.innerHTML += html;
140 function my_onbytarget(data) {
141 var targetDiv = document.getElementById("bytarget");
142 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
143 +'<td>Records</td><td>State</td></tr></thead><tbody>';
145 for (var i = 0; i < data.length; i++ ) {
146 table += "<tr><td>" + data[i].id +
147 "</td><td>" + data[i].hits +
148 "</td><td>" + data[i].diagnostic +
149 "</td><td>" + data[i].records +
150 "</td><td>" + data[i].state + "</td></tr>";
153 table += '</tbody></table>';
154 targetDiv.innerHTML = table;
157 ////////////////////////////////////////////////////////////////////////////////
158 ////////////////////////////////////////////////////////////////////////////////
160 // wait until the DOM is ready
163 document.search.onsubmit = onFormSubmitEventHandler;
164 document.search.query.value = '';
165 document.select.sort.onchange = onSelectDdChange;
166 document.select.perpage.onchange = onSelectDdChange;
169 // when search button pressed
170 function onFormSubmitEventHandler()
179 function onSelectDdChange()
181 if (!submitted) return false;
184 my_paz.show(0, recPerPage, curSort);
194 function triggerSearch ()
196 my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
199 function loadSelect ()
201 curSort = document.select.sort.value;
202 recPerPage = document.select.perpage.value;
205 // limit the query after clicking the facet
206 function limitQuery (field, value)
208 document.search.query.value += ' and ' + field + '="' + value + '"';
209 onFormSubmitEventHandler();
212 // limit by target functions
213 function limitTarget (id, name)
215 var navi = document.getElementById('navi');
217 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
219 navi.innerHTML += '<hr/>';
220 curFilter = 'pz:id=' + id;
227 function delimitTarget ()
229 var navi = document.getElementById('navi');
238 function drawPager (pagerDiv)
240 //client indexes pages from 1 but pz2 from 0
242 var pages = Math.ceil(totalRec / recPerPage);
244 var firstClkbl = ( curPage - onsides > 0 )
248 var lastClkbl = firstClkbl + 2*onsides < pages
249 ? firstClkbl + 2*onsides
252 var prev = '<span id="prev"><< Prev</span><b> | </b>';
254 prev = '<a href="#" id="prev" onclick="pagerPrev();">'
255 +'<< Prev</a><b> | </b>';
258 for(var i = firstClkbl; i <= lastClkbl; i++) {
261 numLabel = '<b>' + i + '</b>';
263 middle += '<a href="#" onclick="showPage(' + i + ')"> '
264 + numLabel + ' </a>';
267 var next = '<b> | </b><span id="next">Next >></span>';
268 if (pages - curPage > 0)
269 next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
270 +'Next >></a>';
277 if (lastClkbl < pages)
280 pagerDiv.innerHTML += '<div style="float: clear">'
281 + prev + predots + middle + postdots + next + '</div><hr/>';
284 function showPage (pageNum)
287 my_paz.showPage( curPage - 1 );
290 // simple paging functions
292 function pagerNext() {
293 if ( totalRec - recPerPage*curPage > 0) {
299 function pagerPrev() {
300 if ( my_paz.showPrev() != false )
304 // swithing view between targets and records
306 function switchView(view) {
308 var targets = document.getElementById('targetview');
309 var records = document.getElementById('recordview');
313 targets.style.display = "block";
314 records.style.display = "none";
317 targets.style.display = "none";
318 records.style.display = "block";
321 alert('Unknown view.');
325 // detailed record drawing
326 function showDetails (prefixRecId) {
327 var recId = prefixRecId.replace('rec_', '');
328 var oldRecId = curDetRecId;
331 // remove current detailed view if any
332 var detRecordDiv = document.getElementById('det_'+oldRecId);
335 detRecordDiv.parentNode.removeChild(detRecordDiv);
337 // if the same clicked, just hide
338 if (recId == oldRecId) {
340 curDetRecData = null;
343 // request the record
344 my_paz.record(recId);
347 function replaceHtml(el, html) {
348 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
349 /*@cc_on // Pure innerHTML is slightly faster in IE
350 oldEl.innerHTML = html;
353 var newEl = oldEl.cloneNode(false);
354 newEl.innerHTML = html;
355 oldEl.parentNode.replaceChild(newEl, oldEl);
356 /* Since we just removed the old element from the DOM, return a reference
357 to the new element, which can be used to restore variable references. */
361 function renderDetails(data, marker)
363 var details = '<div class="details" id="det_'+data.recid+'"><table>';
364 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
365 if (data["md-title"] != undefined) {
366 details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
367 if (data["md-title-remainder"] !== undefined) {
368 details += ' : <span>' + data["md-title-remainder"] + ' </span>';
370 if (data["md-title-responsibility"] !== undefined) {
371 details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
373 details += '</td></tr>';
375 if (data["md-date"] != undefined)
376 details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
377 if (data["md-author"] != undefined)
378 details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
379 if (data["md-electronic-url"] != undefined)
380 details += '<tr><td><b>URL</b></td><td><b>:</b> <a href="' + data["md-electronic-url"] + '" target="_blank">' + data["md-electronic-url"] + '</a>' + '</td></tr>';
381 if (data["location"][0]["md-subject"] != undefined)
382 details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
383 if (data["location"][0]["@name"] != undefined)
384 details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
385 details += '</table></div>';